12.25=a+1.5

Solution for 12.25=a+1.5 equation:

Simplifying
12.25 = a + 1.5

Reorder the terms:
12.25 = 1.5 + a

Solving
12.25 = 1.5 + a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-1a' to each side of the equation.
12.25 + -1a = 1.5 + a + -1a

Combine like terms: a + -1a = 0
12.25 + -1a = 1.5 + 0
12.25 + -1a = 1.5

Add '-12.25' to each side of the equation.
12.25 + -12.25 + -1a = 1.5 + -12.25

Combine like terms: 12.25 + -12.25 = 0.00
0.00 + -1a = 1.5 + -12.25
-1a = 1.5 + -12.25

Combine like terms: 1.5 + -12.25 = -10.75
-1a = -10.75

Divide each side by '-1'.
a = 10.75

Simplifying
a = 10.75